<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <link rel="stylesheet" href="plujins/bootstrap-3.3.7-dist/css/bootstrap.min.css">
    <style>
        .container{
            background-color: thistle;
            height: 200px;
        }
    </style>
    <title>栅格网格系统</title>
</head>
<body>
<div class="container">
    <div class="row">
        <div class="col-lg-8" style="background: gainsboro">8</div>
        <div class="col-lg-4" style="background: silver">4</div>
    </div>
    <div class="row table-bordered">

    </div>
    <div class="row">
        <div class="col-sm-8" style="background: deepskyblue">8</div>
        <div class="col-sm-4" style="background: bisque">4</div>
    </div>
    <div class="row">
        <div class="col-lg-8  col-md-8 col-sm-8 col-xs-8" style="background: deepskyblue">8</div>
        <div class="col-lg-4 col-md-4 col-sm-4 col-xs-4" style="background: bisque">4</div>
    </div>
</div>
</body>
<script src="js/jquery-3.2.js"></script>
<script src="plujins/bootstrap-3.3.7-dist/js/bootstrap.min.js"></script>
</html>